Solution:
1, the BIOS changes the option (take H61 as an example, h81/q87 and other chip group BIOS interface basically consistent):
Boot press F1 Enter BIOS, select devices;
Change select Active video to IDG (set priority), which defaults to Auto (auto), and then modifies multi-monitor support (multi-display supported) to Enabled;
F10 restart after saving;
2, the monitor connected to the integrated graphics output, first in the system to uninstall the independent graphics driver, and then install the integrated graphics driver and the independent graphics driver. Install the device display status;
3, Operation Method:
A, if win7&win8 and other systems, directly according to Win+p switch to the expansion mode;
B, if win XP system, need to be set up in the video card console;
Or:
C, integrated graphics and discrete graphics connected to the display, can only achieve the expansion mode, if the integrated graphics connected to the two display, or the independent graphics connected to the two display can be copied and extended;
Note:
1, win7&win8 system, win+p can realize dual screen;
2, after modifying the BIOS parameters, you need to first uninstall the independent graphics driver after the installation integration-independent two drivers;
3, this scheme can only support the extension cannot realize the replication function.
Lenovo Desktop series set up two-screen display